bill clinton and jimmy carter are set to attend as well. it's a big test for africa's government as they plan the memorial. 94,000 people are expected at fnb stadium home to the world cup final in 2010. 100,000 more expected in the area at overflow sports centers while many details were worked out well in advance politico reporting the last minute logistics for the secret service are daunting. the president's security won't have control over access and there are concerns on everything from the motorcade route to his safety once inside. meanwhile, sunday marked an official day of prayer across south africa but in church the scene was as remember celebratory as it was mournful. and a week after the deadly commuter train wreck in new york, officials are upgrading signals on the curve where the crash occurred. new signals are expected to be up and running this morning. four people were killed last sunday when a metro-north train hit a stretch of track at nearly three times the speed limit. metro-north is now reducing the maximum speeds at 26 lo